Class 09 Biology - Patterns in Life: Diversity and Classification - Exercises

Questions and Answers

1. Meena and Hari observed an animal. Hari called it an insect while Meena said it was an earthworm. Which option confirms it is an insect?

(i) Bilateral symmetrical body (ii) Body with jointed legs (iii) Cylindrical body (iv) Body with little segmentation

2. Sponges lack true tissues and organs. Which feature supports their classification under the animal kingdom?

(i) Absence of mitochondria (ii) Ability to photosynthesise (iii) Presence of a cell membrane (iv) Presence of a cell wall

3. How would a scientist justify choosing cellular organisation as a more fundamental characteristic for classification than the presence of xylem and phloem?

4. Single-celled organism with a well-defined nucleus and multiple cilia. Which group?

5. If all unicellular organisms were grouped into a single kingdom, what problems would arise?

6. Why are viruses not placed in any of the five kingdoms?

7. Pteridophytes vs. Bryophytes classification.

8. Which has fewer members but more features in common: Class or Genus?

9. Case Study Observations:

(i) Identify one organism that belongs to Kingdom Fungi.

Class 09 Biology - Patterns in Life: Diversity and Classification - Exercises

Class 09 Biology - Patterns in Life: Diversity and Classification - Exercises

Questions and Answers

1. Meena and Hari observed an animal. Hari called it an insect while Meena said it was an earthworm. Which option confirms it is an insect?

2. Sponges lack true tissues and organs. Which feature supports their classification under the animal kingdom?

3. How would a scientist justify choosing cellular organisation as a more fundamental characteristic for classification than the presence of xylem and phloem?

4. Single-celled organism with a well-defined nucleus and multiple cilia. Which group?

5. If all unicellular organisms were grouped into a single kingdom, what problems would arise?

6. Why are viruses not placed in any of the five kingdoms?

7. Pteridophytes vs. Bryophytes classification.

8. Which has fewer members but more features in common: Class or Genus?

9. Case Study Observations:

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Class 09 Biology - Patterns in Life: Diversity and Classification - Exercises

Class 09 Biology - Patterns in Life: Diversity and Classification - Exercises

Questions and Answers

1. Meena and Hari observed an animal. Hari called it an insect while Meena said it was an earthworm. Which option confirms it is an insect?

2. Sponges lack true tissues and organs. Which feature supports their classification under the animal kingdom?

3. How would a scientist justify choosing cellular organisation as a more fundamental characteristic for classification than the presence of xylem and phloem?

4. Single-celled organism with a well-defined nucleus and multiple cilia. Which group?

5. If all unicellular organisms were grouped into a single kingdom, what problems would arise?

6. Why are viruses not placed in any of the five kingdoms?

7. Pteridophytes vs. Bryophytes classification.

8. Which has fewer members but more features in common: Class or Genus?

9. Case Study Observations:

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Class 09 Biology - Patterns in Life: Diversity and Classification - Exercises

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Class 09 Biology - Patterns in Life: Diversity and Classification - Exercises

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